atomic ops discussion
fix for popt segfaults in hyperdex.cc
This commit and all previous that I have authored are signed off by me

Signed-off-by: Scott Dunlop <swdunlop@gmail.com>
Merge branch 'fix-popt-segfault' of git://github.com/swdunlop/HyperDex

* 'fix-popt-segfault' of git://github.com/swdunlop/HyperDex:
  This commit and all previous that I have authored are signed off by me
  fix for popt segfaults in hyperdex.cc